A randomized 25 question test from a pool of 761 questions, good luck!
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links smaller networks together, but potentially on a global scale?
There are several fields in an Ethernet message frame structure. Which of the answers represent the content of the FCS field in the Ethernet message frame?
Which of the data transmission modes below best is described as a two way alternating transmission?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to create, or delete any HMI application?
In synchronous transmission, which of the answers below best describes where the incoming data is always detected by the receiver?
Field instrument to PLC is best defined by which of the answers below?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
In relation to IPv4, every classification has a finite amount of addresses. Which of the classifications below has the most subnet addresses?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "I"?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains the value of all the parameters and tags, as well as all the programming and the DCS configuration?
There are an assortment of numbers on the typical protocol header. Which of the answers below denotes the header number that identifies the systems application/service for receiving or transmitting data?
Ethernet has two common messaging types that are controller-to-controller defined in the application layer. Which of those messaging types can be described as only using multicast and peer-to-peer communication?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
During day-to-day operation of an industrial network, some device addresses may change depending on the needs of the system. Which of the answers represents the normal state of a physical address during normal operations?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the protocols for error detection?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below makes adjustments to alarms attributes using a processes operating state to be the basis for modifications to an alarm using advanced logic?
The biggest register that Modbus supports is 16-bit. Which of the terms below is used for the process to support 32-bit data?
Which of the terms below can be best described as a device with an invalid tag name tag name?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "H"?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would describe the red number in the picture below?
